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SAE-AISI M41 Steel vs. EN 1.7231 Steel

Both SAE-AISI M41 steel and EN 1.7231 steel are iron alloys. They have 79% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
790 to 930

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 120
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 76
28 to 33
Strength to Weight: Bending, points 23 to 46
24 to 27
Thermal Diffusivity, mm2/s 6.0
12
Thermal Shock Resistance, points 25 to 71
23 to 27

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.38 to 0.45
Chromium (Cr), % 3.8 to 4.5
0.8 to 1.2
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
96.4 to 98.1
Manganese (Mn), % 0.2 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 3.3 to 4.3
0.15 to 0.3
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0

Comparable Variants